Document Type : Original Article
Authors
1 Department of Serum and Antigens, Veterinary Serum and Vaccine Research Institute, Abbasia, Cairo, Egypt.
2 Department of Animal Medicine, Faculty of Veterinary Medicine, Benha University, Egypt.
3 Central Laboratory for Evaluation of Veterinary Biologics, Abbassia, Cairo , Egypt.
4 Department of Anaerobic Vaccines, Veterinary Serum and Vaccine Research Institute, Abbasia, Cairo, Egypt.
Abstract
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